Säähavainnot

class Day
  attr_accessor :days
  def initialize(days)
    @days = days
  end

  def output(arr, offsets, offsets2)
    op = []
    last = days[-1]
    peak = days.index(days[12...24].reverse.max)
    peakright = peak
    peakleft = peak
    while peakright < 24
      peakright += 1
      peakleft -= 0.8
    end
    (1..12).each do |num|
      peakright += 1
      peakleft -= 0.8
      if arr.include?(num)

        if num <= 1
          op << (((self.days[-num]) - offsets[num - 1]).round(1))
        else
          op << ((days[peakleft.floor] + days[-(peakright-12)] + last) / 3 - offsets2[num - 1]).round(1)
        end
        
        last = op[-1]
        op[-1] = op[-1].to_s
      else
        op << "?"
      end
    end
    puts op.join(" ")
  end
end

count = gets.chomp.to_i
days = []
count.times do
  days << Day.new(gets.chomp.split(" ").map(&:to_f))
end

choose = [1, 2]
offsets = [0.0, -0.06, -0.12, -0.17, -0.21, -0.25, -0.29, -0.31, -0.32, -0.33, -0.26, -0.13]
offsets2 = [-0.14, -0.25, -0.34, -0.44, -0.49, -0.44, -0.43, -0.39, -0.36, -0.32, -0.24, -0.13]

days.each do |day|
  day.output(choose, offsets, offsets2)
end

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED